Support request: Goodix 27c6:581a (Xiaomi Mi NoteBook Ultra)

[saravanacode]

Device info

• Vendor: Goodix (27c6)
• Product ID: 581a
• Device: Shenzhen Goodix Technology Co.,Ltd. FingerPrint
• Laptop: Xiaomi Mi NoteBook Ultra
• OS: Ubuntu 24.04, kernel 6.17.0-23-generic

lsusb -v output

Bus 003 Device 003: ID 27c6:581a Shenzhen Goodix Technology Co.,Ltd.
FingerPrint
bDeviceClass 255 Vendor Specific Class
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 64
bNumConfigurations 1
Interface: bInterfaceClass 255, bInterfaceSubClass 0, bInterfaceProtocol 0
EP 1 OUT: bulk, 64 bytes
EP 3 IN: bulk, 64 bytes

Investigation done

• Device connects fine via pyusb
• Accepts all USB bulk writes (no errors)
• Never responds to any command (all reads timeout)
• Tried: NOP (0xa0/0x00), firmware_version (0xa8), reset (0xa2), GTLS hello
  (0xd2), raw bytes
• Tried driver families: driver_55x4, wrapless/GTLS (driver_53x5 style)
• No ACPI init methods on HS06 node (just _ADR = 0x06)
• No kernel driver bound
• device is integrated power button + fingerprint combo

What I need

Protocol reverse engineering / driver support for 27c6:581a.
I do not have access to Windows to capture USB traffic.
Happy to test any scripts or provide more info.